CN218287995U

CN218287995U - Portable and foldable bicycle

Info

Publication number: CN218287995U
Application number: CN202221977248.XU
Authority: CN
Inventors: 王恩典
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2023-01-13
Anticipated expiration: 2032-07-29

Abstract

The utility model discloses a portable collapsible bicycle, include: rear wheels, front wheels; the center of the rear wheel is rotationally connected with a rear flywheel; the upper part of the top of the rear wheel is fixedly connected with a sliding chute through two supporting rods, and the sliding chute is connected with a saddle in a sliding manner through a sliding block; a front frame is fixed on two sides of the front wheel, a handrail is fixedly arranged on the front frame, and a steering piece is arranged on the front frame; a first hinge part is fixed on the front frame and used for folding and fixing the front frame; rear wheel, front wheel pass through two back car roof beams and a preceding car roof beam joint support, two back car roof beam fixed connection back flywheel center department, and back car roof beam and preceding car roof beam fixed connection, the junction rotates and is connected with preceding flywheel, preceding flywheel with chain connection between the back flywheel, fixed mounting has the second hinge firmware on the preceding car roof beam, and first hinge firmware, second hinge firmware satisfy the vertical, horizontal folding of some parts on the automobile body, reduce the storage volume of automobile body in the structure of two kinds of folding directions to the at utmost.

Description

Portable foldable bicycle

Technical Field

The utility model relates to a bicycle design technical field, concretely relates to portable collapsible bicycle.

Background

Bicycles, also known as bicycles or bicycles, are typically two-wheeled small land vehicles. The bicycle is also a sports competitive sport, the conventional bicycle is large in size and heavy, people use the bicycle to ride instead of walk in daily life, the conventional bicycle is large in size and inconvenient to place and store, folding bicycles exist in the market, but the product is not folded comprehensively, the size of the bicycle cannot be reduced to the maximum extent, in addition, the seat of the existing bicycle cannot be adjusted transversely to meet the use requirements of different crowds, so that technical personnel can solve the problems, and the bicycle with high practicability needs to be designed to meet the requirements of the market.

Mention folding bicycle in patent document CN202896793U, including handlebar montant, front beam, preceding underbeam, girder, cushion branch and rear wheel, cushion and cushion branch fixed connection, through first hinged joint between front beam and the preceding underbeam, through second hinged joint between handlebar montant and the front beam, set up many places hinge point in this structure, the bicycle is a instrument of traveling, and the setting up of a plurality of hinge points makes the vehicle expand the concatenation degree of difficulty grow not to say, and has certain risk of traveling, and the cushion transversely can not adjust in this automobile body in addition.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a small and exquisite light, simple and practical's portable collapsible bicycle to solve the defect among the prior art.

In order to achieve the purpose, the utility model is realized by adopting the following technical scheme: a portable and foldable bicycle, comprising: rear wheels, front wheels; the center of the rear wheel is rotationally connected with a rear flywheel; the upper part of the top of the rear wheel is fixedly connected with a sliding chute through two supporting rods, and the sliding chute is connected with a saddle in a sliding manner through a sliding block; a front frame is fixed on two sides of the front wheel, a handrail is fixedly arranged on the front frame, and a steering piece is arranged on the front frame; a first hinge fixing piece is fixed on the front frame and used for folding and fixing the front frame;

the rear wheel and the front wheel are connected and supported through two rear vehicle beams and one front vehicle beam, the rear vehicle beams are fixedly connected with the centers of two sides of the rear flywheel, the rear vehicle beams are fixedly connected with the front vehicle beam, the joints are rotatably connected with the front flywheel, pedals are installed on two sides of the center of the front flywheel, the front flywheel is connected with the rear flywheel through a chain, a second hinge fixing piece is fixedly installed on the front vehicle beam and used for folding and fixing the front vehicle beam, and the steering piece is fixedly connected with the front vehicle beam.

The sliding groove is characterized in that a plurality of thread through holes are uniformly formed in the bottom wall of the sliding groove notch, fastening bolts are arranged in the thread through holes, an inner thread hole is formed in the bottom of the sliding block, and the fastening bolts penetrate through the inner thread hole and the fastening bolts to fix the sliding block.

The first hinge member includes: the upper pressing frame and the lower pressing plate are connected through a rotating shaft hinge;

the upper pressing frame is fixed with a stressed groove body at one end far away from the rotating shaft, the lower pressing plate is fixed with a pair of protruding rods at one end far away from the rotating shaft, the two protruding rods are connected with a rotating rod in a rotating mode, a pressing frame is arranged beside the rotating rod, an adjusting deflector rod is connected to the inner pin shaft of the pressing frame through a threaded rod, the rotating rod is connected with the pressing frame through the threaded rod, one end of the threaded rod penetrates through the rotating rod in a spiral mode, and the other end of the threaded rod penetrates through the pressing frame to be connected with the pin shaft.

The front frame is composed of an upper frame rod and a lower frame rod, the upper pressing frame is fixedly connected with the upper frame rod, and the lower pressing plate is fixedly connected with the lower frame rod.

The steering part comprises an installation column barrel, a bearing is fixed in the installation column barrel, and an inner ring of the bearing is fixedly connected with the lower vehicle rod and the upper vehicle rod.

The second hinge member includes: the upper folding frame and the lower folding frame are connected through a rotating shaft, an installation block is fixed in the lower folding frame, a plum blossom handle screw rod is arranged on the installation block in a penetrating and rotating mode, a trapezoidal block is inserted in a gap on the plum blossom handle screw rod body, and trapezoidal notches are formed in the end portions of the upper folding frame and the lower folding frame after being overlapped.

The front beam is composed of two sections of beam bodies, one section of beam body is connected with the upper folding frame and the rear beam, and the other section of beam body is connected with the lower folding frame and the mounting column barrel.

According to the above technical scheme, the utility model discloses following beneficial effect has at least:

1. the utility model discloses in installed first hinge firmware on preceding frame, the anterior support body of having realized the automobile body is folding, and realize the fore-and-aft folding of automobile body, second hinge firmware has been installed on preceding car roof beam, realize the horizontal folding of automobile body, the storage volume of automobile body is dwindled to the structure at utmost of two kinds of folding directions, this device is small and exquisite light, and portable, spout, slider, the structure of saddle in the device in addition, saddle lateral position has been realized adjusting, use fastening bolt to fix fast, so that satisfy different crowds' use.

2. The structural design of first hinge firmware, second hinge firmware in the device all adopts two sets of "connection piece" hinges, every connection piece corresponds car pole or roof beam body, the mode that the locking mouth of first hinge firmware adopted the hinge to press the notch realizes folding fixed preceding frame, the mode that second hinge firmware locking mouth adopted the groove mouth of sticising soon realizes folding fixed front beam, two kinds of structures all can be quick effectual with the relevant part of automobile body folding, fixed, and structural strength is big, can guarantee the vehicle degree of safety of traveling.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic view of the combination of the middle sliding chute and the sliding block of the present invention.

Fig. 3 is a schematic structural view of the first hinge of the present invention.

Fig. 4 is a schematic structural view of the second hinge of the present invention.

Fig. 5 is a schematic diagram of prescription a in fig. 3 according to the present invention.

Fig. 6 is an enlarged view of fig. 5 at B.

Wherein: the bicycle comprises a rear wheel 1, a rear flywheel 101, a front flywheel 102, a front wheel 2, a steering member 3, a first hinge member 4, a front frame 401, a front beam 5, a second hinge member 6, a rear beam 7, a chute 8, a slider 9, a saddle 10, a support rod 11, an upper pressing frame 12, a force-bearing groove 13, a lower pressing plate 14, a convex rod 15, a rotating rod 16, a threaded rod 17, an adjusting deflector rod 18, a pressing frame 19, an upper stacking frame 20, a lower stacking frame 21, a trapezoidal block 22 and a quincunx handle screw rod 23.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

As shown in fig. 1 to 5, the utility model provides a portable foldable bicycle, which is characterized in that comprises: rear wheels 1, front wheels 2; the center of the rear wheel 1 is rotatably connected with a rear flywheel 101; the top of the rear wheel 1 is fixedly connected with a chute 8 through two support rods 11, and the chute 8 is connected with a saddle 10 through a sliding block 9 in a sliding manner; a front frame 401 is fixed on two sides of the front wheel 2, a handrail is fixedly arranged on the front frame 401, and a steering piece 3 is arranged on the front frame 401; a first hinge part 4 is fixed on the front frame 401 and used for folding and fixing the front frame 401; the rear wheel 1 and the front wheel 2 are connected and supported through two rear vehicle beams 7 and one front vehicle beam 5, the two rear vehicle beams 7 are fixedly connected with the center of the rear flywheel 101, the rear vehicle beam 7 is fixedly connected with the front vehicle beam 5, the joint is rotatably connected with the front flywheel 102, pedals are installed on two sides of the center of the front flywheel 102, the front flywheel 102 is connected with the rear flywheel 101 through a chain, the front vehicle beam 5 is fixedly provided with a second hinge fixing part 6, and the installation position is preferably close to the joint of the front vehicle beam 5 and the rear vehicle beam 7.

Is used for folding and fixing the front beam 5, the steering part 3 is fixedly connected with the front beam 5,

the utility model discloses but bicycle automobile body is horizontal fast, vertical folding, folding back automobile body minimizing with the bicycle, be convenient for transport and storage, the practical production uses the relevant part of aluminum alloy material preparation automobile body, when satisfying structural strength, also make the automobile body quality lighter, saddle 10 sets up on spout 8 in addition, but the quick sliding saddle 1 uses fastening bolt fixed, let the user adjust the driving position that obtains a suitable oneself, design 1 diameter of rear wheel is greater than 2 diameters of front wheel in the production, and install the shock attenuation pole between front wheel 2 and preceding frame 401, can improve the user travelling comfort of riding.

For a further understanding of the bicycle, the details of the body will now be described.

Referring to the attached drawing 2, the combination that can directly see out spout 8, slider 9 in the picture constitutes, and 8 notch diapire of spout evenly is equipped with a plurality of screw thread through-holes, is equipped with fastening bolt in the screw thread through-hole, slider 9 bottoms are equipped with the internal thread hole, and fastening bolt is rotatory to be passed internal thread hole, fastening bolt fixed sliding block 9 select the great fastening bolt of diameter to improve slider 9's steadiness in the production, can set up double screw thread through-hole simultaneously, and the cooperation a set of fastening bolt can strengthen the locking dynamics equally.

Wherein with respect to the specific structure of the first hinge 4, and with closer reference to fig. 3 and 5, the first hinge 4 comprises: the device comprises an upper pressure frame 12 and a lower pressure plate 14, wherein the upper pressure frame 12 and the lower pressure plate 14 are hinged through a rotating shaft;

a stress groove body 13 is fixed at one end, far away from the rotating shaft, of the upper pressure frame 12, a pair of convex rods 15 is fixed at one end, far away from the rotating shaft, of the lower pressure plate 14, the two convex rods 15 are rotatably connected with rotating rods 16, a pressure frame 19 is arranged beside the rotating rods 16, a pin shaft in the pressure frame 19 is connected with an adjusting deflector rod 18, the rotating rods 16 are connected with the pressure frame 19 through threaded rods 17, one end of each threaded rod 17 penetrates through the rotating rod 16 in a spiral mode, a nut can be screwed on the threaded rod 17 penetrating through the rotating rod 16 to prevent the excessively rotating threaded rod 17 from being separated from the rotating rod 16, and the other end of each threaded rod penetrates through the pressure frame 19 to be fixedly connected with the pin shaft; preferably, a notch for installing the threaded rod 17 is formed in the port of the adjusting deflector rod 18, the threaded rod 17 is arranged in the notch, the pin shaft transversely penetrates through the notch and penetrates through the threaded rod 17 in the notch, and an anti-skid rubber pad is installed at the contact end of the adjusting deflector rod 18 and the pressure frame 19, so that the locking firmness of the structure is further enhanced.

The installation is concrete, wherein the front frame 401 is composed of an upper vehicle rod and a lower vehicle rod, the upper pressure frame 12 is fixedly connected with the upper vehicle rod, the lower pressure plate 14 is fixedly connected with the lower vehicle rod, the steering part 3 mentioned above comprises an installation column barrel, a bearing is fixed in the installation column barrel, and the inner ring of the bearing is fixedly connected with the lower vehicle rod and the upper vehicle rod.

Referring to fig. 4, the second hinge 6 includes: go up and fold frame 20, fold frame 21 down, go up and fold frame 20, fold frame 21 down and connect through the pivot, fold frame 21 internal fixation down and be equipped with the installation piece, the spiral is worn to be equipped with plum blossom handle screw rod 23 on the installation piece, and the clearance is pegged graft on the plum blossom handle screw rod 23 body of rod has trapezoidal piece 22, it is equipped with trapezoidal breach to overlap frame end of body after frame 20, fold frame 21 down, also can set up the spout rubber pad in trapezoidal piece 22 towards the one side of plum blossom handle screw rod 23 plum blossom handle in the production, guarantees locking strength, can prevent skidding, relax.

The installation is concrete, and preceding car roof beam 5 comprises two sections roof beam bodies, and one section roof beam body both ends are connected correspondingly go up fold frame 20 with back car roof beam 7, another section roof beam body both ends are connected correspondingly fold down frame 21 with the installation column casing, plum blossom handle screw 23 is located arbitrary side of preceding car roof beam 5, when connecting two sections roof beam bodies, with the butt joint lug welding on the roof beam body tip aims at folding frame 20, folding frame 21 down.

In some embodiments, the front flywheel 102 is designed as a multi-diameter flywheel, the vertical rod is vertically installed at the center of the front flywheel 102, and the speed change controller is installed on the vertical rod and the rear flywheel 101 in a matching manner.

The specific use is as follows: when the bicycle is not used for a long time, or when needing to be transported, the addressee finds the second hinge part 6 on the front beam 5, the plum blossom handle screw 23 in it is unscrewed in the rotation, at this moment, the trapezoidal piece 22 can be pushed out the trapezoidal breach, at this moment, the front frame 401 can be transversely folded around the collimation axis of the second hinge part 6 together with the front wheel 2, the first hinge part 4 is found again after the operation is finished, the threaded rod 17 is unscrewed through rotating the adjusting shift lever 18, and the adjusting shift lever 18 is broken away from the stress groove body 13, the upper pressing frame 12 and the lower pressing plate 14 in the first hinge part 4 at this moment are separated, finally, the front frame on the upper part of the first hinge part 4 can be easily folded vertically and leans against the front wheel 2, the rear wheel 1 part of the bicycle is folded impractically, the utility model discloses the maximum folding bicycle of structure of design makes things convenient for the storage, the transport of bicycle.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes within the scope of the invention or within the scope equivalent to the invention are all embraced by the invention.

Claims

1. A portable and foldable bicycle, characterized by comprising: a rear wheel (1) and a front wheel (2); the center of the rear wheel (1) is rotationally connected with a rear flywheel (101); the upper part of the top of the rear wheel (1) is fixedly connected with a sliding chute (8) through two supporting rods (11), and the sliding chute (8) is connected with a saddle (10) through a sliding block (9) in a sliding way; a front frame (401) is fixed on two sides of the front wheel (2), a handrail is fixedly arranged on the front frame (401), and a steering piece (3) is arranged on the front frame (401); a first hinge (4) is fixed on the front frame (401) and used for folding and fixing the front frame (401);

rear wheel (1), front wheel (2) are through two back car roof beams (7) and a preceding car roof beam (5) joint support, back car roof beam (7) fixed connection the center department of back flywheel (101) both sides, and back car roof beam (7) and preceding car roof beam (5) fixed connection, junction rotation are connected with preceding flywheel (102), pedal is installed to preceding flywheel (102) center both sides, preceding flywheel (102) with chain connection between back flywheel (101), fixed mounting has second hinge firmware (6) on preceding car roof beam (5) for it is folding, fixed preceding car roof beam (5), steering part (3) fixed connection preceding car roof beam (5).

2. The portable and foldable bicycle as claimed in claim 1, wherein the bottom wall of the notch of the sliding groove (8) is uniformly provided with a plurality of threaded through holes, fastening bolts are arranged in the threaded through holes, the bottom of the sliding block (9) is provided with an internal threaded hole, and the fastening bolts penetrate through the internal threaded hole and fasten the sliding block (9) in a rotating manner.

3. Portable and foldable bicycle according to claim 1, characterized in that said first hinge (4) comprises: the device comprises an upper pressure frame (12) and a lower pressure plate (14), wherein the upper pressure frame (12) and the lower pressure plate (14) are hinged through a rotating shaft;

go up pressure frame (12) and keep away from pivot one end and be fixed with atress cell body (13), rotation shaft one end is kept away from in holding down plate (14) and is fixed with a pair of nose bar (15), and two nose bar (15) rotate and are connected with bull stick (16), bull stick (16) are equipped with on one side and exert pressure frame (19), and the round pin hub is connected with adjusting lever (18) in frame (19) of exerting pressure, bull stick (16) are connected through threaded rod (17) with frame (19) of exerting pressure, threaded rod (17) one end spiral is passed bull stick (16), and the other end passes and exerts pressure frame (19) and connect the round pin axle.

4. A portable and foldable bicycle according to claim 3, characterized in that said front frame (401) is composed of an upper frame rod and a lower frame rod, said upper frame (12) is fixedly connected with said upper frame rod, and said lower frame (14) is fixedly connected with said lower frame rod.

5. Portable and foldable bicycle, according to claim 4, characterized in that said steering element (3) comprises a mounting cylinder, inside which a bearing is fixed, the inner ring of said bearing being fixedly connected to said lower and upper rods.

6. Portable and foldable bicycle according to claim 5, characterized in that said second hinge (6) comprises: the folding frame comprises an upper folding frame (20) and a lower folding frame (21), wherein the upper folding frame (20) and the lower folding frame (21) are connected through a rotating shaft, an installation block is arranged in the lower folding frame (21), a plum blossom handle screw rod (23) is arranged on the installation block in a penetrating mode in a spiral mode, a trapezoidal block (22) is inserted into a gap on a plum blossom handle screw rod (23) rod body, and trapezoidal notches are formed in the end portions of the upper folding frame (20) and the lower folding frame (21) after the upper folding frame and the lower folding frame are overlapped.

7. A portable and foldable bicycle, according to claim 6, characterized in that said front beam (5) is composed of two sections of beam body, one section of beam body connects said upper folding frame (20) and said rear beam (7), the other section of beam body connects said lower folding frame (21) and said mounting column.